OBSERVATION
Checkpoint scheduling envelope around a READ.
Used by functions
Derived from generated function parameters and return types.
Returned as output
- observation_fact
Labels an address without reading state.
scalar function Offline 1 overload - observe
Schedules one logical keyed READ at the pre and terminal checkpoints.
scalar function Offline 2 overloads - observe_after_step
Schedules a READ at one retained post-step checkpoint.
scalar function Offline 1 overload